n A structure made of connected strands of metal, fiber, or other flexible/ductile material, with evenly spaced openings between them.
n The opening or space enclosed by the threads of a net between knot and knot, or the threads enclosing such a space.
n The engagement of the teeth of wheels, or of a wheel and rack.
n A measure of fineness (particle size) of ground material. A powder that passes through a sieve having 300 openings per linear inch but does not pass 400 openings per linear inch is said to be -300 +400 mesh.
n (computer graphics) A polygon mesh.
n (electronics) In mesh analysis: a loop in an electric circuit (to which Kirchhoff's voltage law can be applied).
v (transitive, intransitive) To connect together by interlocking, as gears do.
v (intransitive, figurative, by extension) To fit in; to come together harmoniously.
v (transitive) To catch in a mesh.